// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_OBJECTS_TEMPLATE_OBJECTS_H_
#define V8_OBJECTS_TEMPLATE_OBJECTS_H_

#include "src/objects/fixed-array.h"
#include "src/objects/struct.h"

// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"

namespace v8 {
namespace internal {

    // CachedTemplateObject is a tuple used to cache a TemplateObject that has been
    // created. All the CachedTemplateObject's for a given SharedFunctionInfo form a
    // linked list via the next fields.
    class CachedTemplateObject final : public Tuple3 {
    public:
        DECL_INT_ACCESSORS(slot_id)
        DECL_ACCESSORS(template_object, JSArray)
        DECL_ACCESSORS(next, HeapObject)

        static Handle<CachedTemplateObject> New(Isolate* isolate, int slot_id,
            Handle<JSArray> template_object,
            Handle<HeapObject> next);

        DECL_CAST(CachedTemplateObject)

        static constexpr int kSlotIdOffset = kValue1Offset;
        static constexpr int kTemplateObjectOffset = kValue2Offset;
        static constexpr int kNextOffset = kValue3Offset;

        OBJECT_CONSTRUCTORS(CachedTemplateObject, Tuple3);
    };

    // TemplateObjectDescription is a tuple of raw strings and cooked strings for
    // tagged template literals. Used to communicate with the runtime for template
    // object creation within the {Runtime_GetTemplateObject} method.
    class TemplateObjectDescription final : public Tuple2 {
    public:
        DECL_ACCESSORS(raw_strings, FixedArray)
        DECL_ACCESSORS(cooked_strings, FixedArray)

        static Handle<JSArray> GetTemplateObject(
            Isolate* isolate, Handle<Context> native_context,
            Handle<TemplateObjectDescription> description,
            Handle<SharedFunctionInfo> shared_info, int slot_id);

        DECL_CAST(TemplateObjectDescription)

        static constexpr int kRawStringsOffset = kValue1Offset;
        static constexpr int kCookedStringsOffset = kValue2Offset;

        OBJECT_CONSTRUCTORS(TemplateObjectDescription, Tuple2);
    };

} // namespace internal
} // namespace v8

#include "src/objects/object-macros-undef.h"

#endif // V8_OBJECTS_TEMPLATE_OBJECTS_H_
